Breakthrough Look Book

Climate Tech has Arrived

Check out our portfolio companies, Fellows, and Catalyst projects, and meet the innovators who are carving the path to a clean energy future.

ESS Inc.

Company Description

ESS Inc. designs, builds and deploys environmentally sustainable, low-cost, iron flow batteries for long-duration commercial and utility-scale energy storage applications requiring from 4 to 12 hours of flexible energy capacity. The Energy Warehouse™ and Energy Center™ use earth-abundant iron, salt, and water for the electrolyte, resulting in an environmentally benign, long-life energy storage solution for the world’s renewable energy infrastructure. Established in 2011, ESS Inc. enables project developers, utilities, and commercial and industrial facility owners to make the transition to more flexible, non-lithium-ion storage that is better suited for the grid and the environment.

Company Details

Catalyzing a cleaner future

Sector

Electricity

Program

Ventures

Location

Portland, OR

Leadership

Craig Evans

Co-founder

Julia Song

Co-founder and CTO

Website

essinc.com

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